The Research and Application of Automobile Engine Airway Reverse Modeling Technology.pdf

1、貴州大學碩士學位論文- I -貴州大學 貴州大學工學碩士高校教師姓名 吳榮導師姓名 梅益學號 2007080201001畢業(yè)日期 2010．6二級學科 機械制造及其自動化貴州大學碩士學位論文- III -The The The The R R R Research esearch esearch esearch and and and and A A A Application pplication pplication pplicat

2、ion of of of of Automobile Automobile Automobile Automobile E E E Engine ngine ngine ngineA A A Airway irway irway irway R R R Reverse everse everse everse M M M Modeling odeling odeling odeling T T T Technology echnolog

3、y echnology echnologyAbstract Abstract Abstract AbstractIn the automotive industry, automobile engine airway as a representative ofcomplex parts of the free surface pipeline design has been engine of the weak link ofprod

4、uct development, and restricts the engine performance and improve China'sautomobile industry, product development cycle engine long and internationalcompetitiveness is not high, one of the main reasons. Reverse engin

5、eeringtechnologies can realize the object model to CAD model for direct provides anefficient manufacturing, new reconstruction scheme. Therefore, the use of reverseengineering technology to automobile engine airway on CA

6、D model adapted tomodern manufacturing technology has become the development trend. Therefore, thisarticle of automobile engine airway reverse modeling techniques are studied.The paper first analyses contact and non-cont

7、act measurement method.According to the characteristics of automobile engine surface of airway remodellingautomobile engine, puts forward the method of measuring data. Then on automobileengine airway data processing tech

8、nology research, In automotive engines point cloudcharacteristics, application of airway Geomagic software point cloud data processing.In the model, according to reconstruct automobile engine airway remodellingpoint clou

9、d quality and appearance, choose the surface reconstruction method basedon the curve or surface directly fitting of surface reconstructing method based onautomobile engine surface construction airway. In the car engine a

10、irway fast samplemaking, test results, it is necessary to design for automobile engines airway fastsample.K K K Key ey ey ey words: words: words: words: Automobile Engine Airway; Reverse Engineering; SurfaceReconstructio